diff --git a/@vates/decorate-with/README.md b/@vates/decorate-with/README.md
index 9b1a072cb..861bfd3c5 100644
--- a/@vates/decorate-with/README.md
+++ b/@vates/decorate-with/README.md
@@ -16,7 +16,9 @@ Installation of the [npm package](https://npmjs.org/package/@vates/decorate-with
 
 ## Usage
 
-For instance, allows using Lodash's functions as decorators:
+### `decorateWith(fn, ...args)`
+
+Creates a new ([legacy](https://babeljs.io/docs/en/babel-plugin-syntax-decorators#legacy)) method decorator from a function decorator, for instance, allows using Lodash's functions as decorators:
 
 ```js
 import { decorateWith } from '@vates/decorate-with'
diff --git a/@vates/decorate-with/USAGE.md b/@vates/decorate-with/USAGE.md
index a9bf97c14..e304e636f 100644
--- a/@vates/decorate-with/USAGE.md
+++ b/@vates/decorate-with/USAGE.md
@@ -1,4 +1,6 @@
-For instance, allows using Lodash's functions as decorators:
+### `decorateWith(fn, ...args)`
+
+Creates a new ([legacy](https://babeljs.io/docs/en/babel-plugin-syntax-decorators#legacy)) method decorator from a function decorator, for instance, allows using Lodash's functions as decorators:
 
 ```js
 import { decorateWith } from '@vates/decorate-with'